42 Technical support services, namely, troubleshooting in the nature of diagnosing computer hardware problems, computer server management software problems, email management software problems, and wireless management software problems; Technical support services, namely, remote and on-site infrastructure management services for monitoring, administration and management of hardware infrastructure; managed service provider (MSP) services, namely, remote management of information technology (IT) systems of others; managed service provider (MSP) services, namely, on-site management of information technology (IT) systems of others; Computer technology support services, namely, help desk services; computer network services, namely, planning, development, and technical support of wide area networks (WANs), storage area networks (SANs), and local area networks (LANs); information technology consulting services in the field of virtualization and network security; backup services for computer hard drive data; firewall management services, namely, firewall software patching and updating, firewall problem troubleshooting and resolution, and maintenance of network firewalls; computer security consultancy; Computer virus protection services; all of the foregoing services excluding services in the field of custom application development